private async Task <double?> VerticalLabelPriceSearch(RecognitionResult recognitionResult, Metadata imageMetadata, string[] patterns)
{
Dictionary <string, string> rawExpenses = new Dictionary <string, string>();
List <TextRectangle> rectangles = recognitionResult.Lines
.Select((line) => RectangleUtils.FromPointsArray(line))
.ToList();
// Zone 0
var map = new RectanglesZoneMap(rectangles, imageMetadata);
var priceRegex = new Regex(@"^\s*(\W\D){0,1}\s*[\d,]+\.[\d]{2}\s*$", RegexOptions.IgnoreCase);
bool found = false;
int startingX = -1;
int startingY = -1;
for (int i = 0; i < map.VerticalZoneCount; i++)
{
for (int k = 0; k < map.HorizontalZoneCount; k++)
{
if (TestForPriceLabel(map.MapMatrix[i, k], patterns))
{
found = true;
startingX = k;
startingY = i;
break;
}
}
}
if (found)
{
int offsetX = startingX + 4;
if (offsetX >= map.HorizontalZoneCount)
{
offsetX = map.HorizontalZoneCount - 1;
}
for (int cY = startingY; cY < map.VerticalZoneCount; cY++)
{
for (int cX = startingX; cX < offsetX; cX++)
{
var cleanStr = map.MapMatrix[cY, cX].Trim().Replace(" ", "");
if (priceRegex.IsMatch(cleanStr))
{
try {
var value = double.Parse(cleanStr, System.Globalization.NumberStyles.Currency, CultureInfo.GetCultureInfo("si-LK"));
return(value);
} catch (Exception e) {
Debug.Print(e.StackTrace);
break;
}
}
}
}
}
return(null);
}
private async Task <DateTime?> VerticalLabelDateSearch(RecognitionResult recognitionResult, Metadata imageMetadata, string[] patterns)
{
Dictionary <string, string> rawExpenses = new Dictionary <string, string>();
List <TextRectangle> rectangles = recognitionResult.Lines
.Select((line) => RectangleUtils.FromPointsArray(line))
.ToList();
// Zone 0
var map = new RectanglesZoneMap(rectangles, imageMetadata);
var dateRegex = new Regex(@"^\s*\d{2}\/\d{2}\/\d{4}\s*$", RegexOptions.IgnoreCase);
bool found = false;
int startingX = -1;
int startingY = -1;
for (int i = 0; i < map.VerticalZoneCount; i++)
{
for (int k = 0; k < map.HorizontalZoneCount; k++)
{
if (TestForPriceLabel(map.MapMatrix[i, k], patterns))
{
found = true;
startingX = k;
startingY = i;
break;
}
}
}
if (found)
{
int offsetX = startingX + 4;
if (offsetX >= map.HorizontalZoneCount)
{
offsetX = map.HorizontalZoneCount - 1;
}
for (int cY = startingY; cY < map.VerticalZoneCount; cY++)
{
for (int cX = startingX; cX < offsetX; cX++)
{
var cleanStr = map.MapMatrix[cY, cX].Trim().Replace(" ", "");
if (dateRegex.IsMatch(cleanStr))
{
try {
var value = Convert.ToDateTime(cleanStr);
return(value);
} catch (Exception e) {
Debug.Print(e.StackTrace);
break;
}
}
}
}
}
return(null);
}